Q: What is the negative version of the number 21,151,854?
A: -21,151,854
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,151,852 | 21,151,853 | 21,151,855 | 21,151,856 |
| -21,151,852 | -21,151,853 | -21,151,855 | -21,151,856 |